CN105822023B - Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall - Google Patents
Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall Download PDFInfo
- Publication number
- CN105822023B CN105822023B CN201610305676.0A CN201610305676A CN105822023B CN 105822023 B CN105822023 B CN 105822023B CN 201610305676 A CN201610305676 A CN 201610305676A CN 105822023 B CN105822023 B CN 105822023B
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- Prior art keywords
- shear connector
- built
- loam wall
- prefabricated
- framework
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall, prefabricated shear connector is made of built-in framework of steel reinforcement and external wrapping concrete, and built-in framework of steel reinforcement is formed by welding by vertical skeleton part and multilayer horizontal skeleton part；Position between two layers of horizontal skeleton that the outside of external wrapping concrete corresponds to arbitrary neighborhood is equipped with annular recess；Prefabricated shear connector forming method is：The prefabricated built-in framework of steel reinforcement of S1 welding；Built-in framework of steel reinforcement is put into template by S2, and is fixed；S3 fixed forms are simultaneously checked；S4 casting concretes；S5 is conserved.Loam wall is made of multilayer rammed earth setting up and down, and multiple prefabricated shear connectors are equipped with each layering position.The prefabricated shear connector enhance loam wall layering between shearing strength, improve wall integrity, reduce the problem of wall crazing；Loam wall is with higher shear behavior and with preferable globality.
Description
Technical field
The invention belongs to construction wall construction applications, prefabricated shear connector more particularly to suitable for loam wall, this is anti-
Cut the molding construction method of connector and the rammed earth wall construction using the shear connector.
Background technology
One of green building type as energy-saving and environmental protection of rammed earth construction building, be built in extensively the vast Fujian in China,
The areas such as northwest, Xinjiang, since China is as one of more serious country of natural calamity, rammed earth wall system is due to earthquake work
The phenomenon to be cracked with the rammed earth wall shear-carrying capacity deficiency caused by reason such as, Lack of support is serious, how to improve rammed earth
The shear-carrying capacity of wall construction becomes one important directions of rammed earth construction improved performance.
Generally for the shear behavior for improving loam wall interlayer, rammed earth wall construction can be in level in the work progress of rammed earth
Some prismatic cylindrical horizontal shear connectors are set at gap, but these prismatic horizontal shear connectors with up and down
Combination power between layer rammed earth is smaller, and effect is not notable.Meanwhile traditional building method shearing strength is low, anchorage zone scope is small,
With the defects of around rammed earth material is engaged force difference.
The content of the invention
The present invention provides a kind of prefabricated shearing resistance suitable for loam wall to solve technical problem present in known technology
Connector, its molding construction method and loam wall.The prefabricated shear connector can strengthen loam wall layering between shearing strength,
Improve wall integrity, reduce the problem of wall crazing；Loam wall is with higher shear behavior and with preferable globality.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of prefabricated shear connector suitable for loam wall, it is characterised in that：Prefabricated shear connector is concrete
Soil structure, it is made of built-in framework of steel reinforcement and external wrapping concrete two parts, and the built-in framework of steel reinforcement is by vertical skeleton part
It is formed by welding with multilayer horizontal skeleton part, multilayer horizontal skeleton is from top to bottom set by spacing, and vertical skeleton is arranged on multilayer
The center of horizontal skeleton；Position between two layers of horizontal skeleton that the outside of external wrapping concrete corresponds to arbitrary neighborhood is equal
Equipped with annular recess, annular recess forms the occlusal crib being connected with rammed earth.
Preferably：Every layer of horizontal skeleton by centered on vertical skeleton more reinforcing bars of radial arrangement formed.
Preferably：Reinforcing bar web frame of the every layer of horizontal skeleton to be made of crisscross reinforcing bar.
Preferably：Vertical skeleton uses spiral.
Preferably：External wrapping concrete part corresponds to the position of every layer of horizontal skeleton in round pie or square pie.
The forming method of a kind of prefabricated shear connector suitable for loam wall, it is characterised in that including following shaping step
Suddenly：
The prefabricated built-in framework of steel reinforcement of S1 welding；
Prefabricated built-in framework of steel reinforcement is put into template by S2, and template uses steel form, and template is by two points of left and right
Template alignment is formed, and the die cavity consistent with the shape after shear connector shaping is poured is formed after two points of template alignments, built-in
Framework of steel reinforcement is placed in the centre of die cavity, and bottom spacer is set in the lower section of built-in framework of steel reinforcement, and in built-in reinforcing bar
The periphery of skeleton sets one layer or the multilayer sidepiece spacer arranged up and down, forms fixation to built-in framework of steel reinforcement, its midsole
The consistency of thickness of the thickness of portion's spacer and the bottom external wrapping concrete after shear connector shaping is poured；
S3 is fixed template using the supporting bolt of punching block, and checks that the sidepiece spacer being arranged in punching block is
It is no that built-in framework of steel reinforcement is firmly fixed；
S4 above-mentioned steps complete casting concrete in the die cavity of backward punching block, fully to vibrate, be avoided leak in casting process
Shake phenomenon；
Watering maintenance daily after S5 is poured, maintenance reach form removal after 28 days, prefabricated shear connector shaping.
A kind of loam wall, loam wall are made of multilayer rammed earth setting up and down, it is characterised in that：At each point of loam wall
Layer position is equipped with multiple above-mentioned prefabricated shear connectors set by spacing, and the top half of prefabricated shear connector is embedded to
In layer rammed earth, in the latter half embedment lower floor rammed earth of prefabricated connector, annular recess and corresponding position on prefabricated shearing-resistant member
Rammed earth formed be connected.
Preferably：It is laid with along the vertical direction close to the position at middle part in every layer of rammed earth of loam wall multiple prefabricated anti-
Cut connector.
The present invention has the advantages and positive effects of：
This prefabricated shear connector, framework of steel reinforcement built in the setting of centre, can effectively improve bearing capacity, meanwhile, built-in steel
External wrapping concrete outside tendons skeleton plays a protective role built-in framework of steel reinforcement, and built-in framework of steel reinforcement and external wrapping concrete are common
Effect, ensures that prefabricated shear connector has higher intensity and ductility, the annular recess increase on prefabricated shear connector surface
Prefabricated shear connector, is arranged in the layered position of loam wall by its snap-in force between rammed earth material, can be significantly
Improve the globality of rammed earth wall construction, shear-carrying capacity, prevent delamination etc. performance.When there is larger vertical uniform load q
When, prefabricated shear connector can connect each layer rammed earth layer, while improve the shear-carrying capacity of whole wall, and reaching prevents rammed earth
The purpose that wall construction destroys.Using the loam wall of this prefabricated shear connector, due to having prefabricated shear connector in layered position
Effect, therefore with higher shear behavior and having reached preferable globality.
Brief description of the drawings
Fig. 1 is the structure diagram of the prefabricated shear connector of the present invention；
Fig. 2 is the A-A profiles of Fig. 1；
Fig. 3 is the B-B profiles of Fig. 1；
Fig. 4 is the structure diagram of loam wall of the present invention.
In figure：1st, built-in framework of steel reinforcement；1-1, vertical skeleton part；1-2, horizontal skeleton part；2nd, external wrapping concrete；3、
Annular recess；1 ', loam wall；1-1 ', layering position.
Embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Describe in detail as follows：
A kind of prefabricated shear connector suitable for loam wall, refers to Fig. 1-4, and prefabricated shear connector is concrete
Soil structure, it is made of built-in framework of steel reinforcement 1 and 2 two parts of external wrapping concrete.The built-in framework of steel reinforcement is by vertical skeleton portion
1-1 and multilayer horizontal skeleton part 1-2 is divided to be formed by welding, multilayer horizontal skeleton is from top to bottom set by spacing, and vertical skeleton is set
Put in the center of multilayer horizontal skeleton, i.e., the centre of every layer horizontal skeleton is formed with vertical skeleton to be connected.Outside
The position that the outside of bag concrete corresponds between two layers of horizontal skeleton of arbitrary neighborhood is equipped with annular recess 3, annular recess
The occlusal crib being connected with rammed earth is formed, the shape of above-mentioned annular recess is unrestricted, as long as formed closure along one week
Groove, annular recess can use common ring-shaped structure or square cyclic structure etc..
In said structure, the preferable the following two kinds of structure type of every layer of horizontal skeleton：
The first structure：Every layer of horizontal skeleton by the radial arrangement centered on vertical skeleton more reinforcing bar structures
Into, such as the horizontal skeleton structure being made of in attached drawing 2 four reinforcing bars.
Second of structure：Reinforcing bar web frame of the every layer of horizontal skeleton to be made of crisscross reinforcing bar.The transverse direction bone
Frame structure is not shown in the accompanying drawings.
In said structure, the vertical skeleton preferably uses spiral.
In said structure, as long as the position that external wrapping concrete part corresponds to every layer of horizontal skeleton is complete by corresponding horizontal skeleton
Portion wraps, its concrete shape is unrestricted, and in the present invention, external wrapping concrete part corresponds to every layer of horizontal skeleton
Position is preferably using round pie or square pie.
A kind of forming method of prefabricated shear connector suitable for loam wall, including following forming step：
The prefabricated built-in framework of steel reinforcement of S1 welding；
Prefabricated built-in framework of steel reinforcement is put into template by S2, and template uses steel form, and template is by two points of left and right
Template alignment is formed, and the die cavity consistent with the shape after shear connector shaping is poured is formed after two points of template alignments, built-in
Framework of steel reinforcement is placed in the centre of die cavity, and bottom spacer is set in the lower section of built-in framework of steel reinforcement, and in built-in reinforcing bar
The periphery of skeleton sets one layer or the multilayer sidepiece spacer arranged up and down, fixation is formed to built-in framework of steel reinforcement, in this way, can
Avoid in follow-up concreting process, built-in framework of steel reinforcement moves and off-center position in the horizontal direction, wherein bottom
The consistency of thickness of the thickness of spacer and the bottom external wrapping concrete after shear connector shaping is poured；
S3 is fixed template using the supporting bolt of punching block, specifically, two points of templates are fixed together,
And check whether the sidepiece spacer being arranged in punching block built-in framework of steel reinforcement is firmly fixed；
S4 above-mentioned steps complete casting concrete in the die cavity of backward punching block, fully to vibrate, be avoided leak in casting process
Shake phenomenon；
Watering maintenance daily after S5 is poured, maintenance reach form removal after 28 days, prefabricated shear connector shaping.
A kind of loam wall, refers to Fig. 4, loam wall 1 ' is made of multilayer rammed earth setting up and down, in each of loam wall
Layering portion 1-1 ' is equipped with multiple above-mentioned prefabricated shear connectors set by spacing, and the top half of prefabricated shear connector is buried
Enter in the rammed earth of upper strata, in the latter half of prefabricated connector embedment lower floor rammed earth, annular recess on prefabricated shearing-resistant member with it is corresponding
The rammed earth at position is formed and is connected.
It is further along the vertical direction close to the position at middle part in every layer of rammed earth of loam wall in above-mentioned rammed earth wall construction
It is laid with multiple prefabricated shear connectors.
Above-mentioned prefabricated shear connector applies to rammed earth wall construction and uses following construction process：
1. building first layer soil layer, it is necessary to when, place prefabricated shear connector in centre position；
2. placing the prefabricated shear connector between first layer and second layer rammed earth, ensure prefabricated shear connector embedment
Length is identical between to two layers；
3. building second layer soil layer, when also needing, prefabricated shear connector is placed in centre position；
4. above second step and the 3rd step are repeated, until reaching loam wall design height.
Present invention efficiently solves shear resistance at loam wall layering it is insufficient the problem of, construction technology is simple, low cost
The features such as honest and clean, highly practical, the prefabricated shear connector can be widely applied in various rammed earth constructions.
Claims (8)
- A kind of 1. prefabricated shear connector suitable for loam wall, it is characterised in that：Prefabricated shear connector is precast concrete Structure, it is made of built-in framework of steel reinforcement and external wrapping concrete two parts, the built-in framework of steel reinforcement by vertical skeleton part and Multilayer horizontal skeleton part is formed by welding, and multilayer horizontal skeleton is from top to bottom set by spacing, and vertical skeleton is arranged on multilayer horizontal stroke To the center of skeleton；Position between two layers of horizontal skeleton that the outside of external wrapping concrete corresponds to arbitrary neighborhood is all provided with There is annular recess, annular recess forms the occlusal crib being connected with rammed earth.
- 2. the prefabricated shear connector according to claim 1 suitable for loam wall, it is characterised in that：Every layer of horizontal skeleton By centered on vertical skeleton more reinforcing bars of radial arrangement formed.
- 3. the prefabricated shear connector according to claim 1 suitable for loam wall, it is characterised in that：Every layer of horizontal skeleton Reinforcing bar web frame to be made of crisscross reinforcing bar.
- 4. the prefabricated shear connector according to claim 1 suitable for loam wall, it is characterised in that：Vertical skeleton uses Spiral.
- 5. the prefabricated shear connector according to claim 1 suitable for loam wall, it is characterised in that：External wrapping concrete portion Divide the position for corresponding to every layer of horizontal skeleton in round pie or square pie.
- 6. the forming method of a kind of prefabricated shear connector suitable for loam wall, it is characterised in that including following forming step：The prefabricated built-in framework of steel reinforcement of S1 welding；Prefabricated built-in framework of steel reinforcement is put into template by S2, and template uses steel form, and template is by two points of left and right template Alignment is formed, and the die cavity consistent with the shape after shear connector shaping is poured, built-in reinforcing bar are formed after two points of template alignments Skeleton is placed in the centre of die cavity, and bottom spacer is set in the lower section of built-in framework of steel reinforcement, and in built-in framework of steel reinforcement Periphery one layer or the multilayer sidepiece spacer arranged up and down are set, fixation, wherein bottom water are formed to built-in framework of steel reinforcement The consistency of thickness of the thickness of mud cushion block and the bottom external wrapping concrete after shear connector shaping is poured；S3 is fixed template using the supporting bolt of punching block, and checks that the sidepiece spacer being arranged in punching block whether will Built-in framework of steel reinforcement is firmly fixed；S4 above-mentioned steps complete casting concrete in the die cavity of backward punching block, fully to vibrate in casting process, avoid leakage from showing As；Watering maintenance daily after S5 is poured, maintenance reach form removal after 28 days, prefabricated shear connector shaping.
- 7. a kind of loam wall, loam wall is made of multilayer rammed earth setting up and down, it is characterised in that：In each layering of loam wall Position is equipped with any prefabricated shear connectors of multiple claim 1-5 set by spacing, prefabricated shear connector Top half embedment upper strata rammed earth in, in the latter half of prefabricated connector embedment lower floor rammed earth, the ring on prefabricated shearing-resistant member The rammed earth of shape groove and corresponding position is formed and is connected.
- 8. loam wall according to claim 7, it is characterised in that：It is close along the vertical direction in every layer of rammed earth of loam wall Uniformly bury multiple prefabricated shear connectors in the position at middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305676.0A CN105822023B (en) | 2016-05-09 | 2016-05-09 | Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305676.0A CN105822023B (en) | 2016-05-09 | 2016-05-09 | Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822023A CN105822023A (en) | 2016-08-03 |
| CN105822023B true CN105822023B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610305676.0A Expired - Fee Related CN105822023B (en) | 2016-05-09 | 2016-05-09 | Suitable for the prefabricated shear connector, its forming method and loam wall of loam wall |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677384A (en) * | 2016-12-23 | 2017-05-17 | 天津城建大学 | Cross-shaped prefabricated shear connector, forming method thereof and loam wall |
| CN106677381A (en) * | 2017-01-18 | 2017-05-17 | 天津城建大学 | Metal connector for improving integrity of rammed-earth wall structure and rammed-earth wall structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU730725B2 (en) * | 1996-10-03 | 2001-03-15 | John A. Mccorquodale | Integrated armor system |
| KR20010027821A (en) * | 1999-09-16 | 2001-04-06 | 한재명 | Precast concrete box |
| CN203947410U (en) * | 2014-06-12 | 2014-11-19 | 吴江市明港道桥工程有限公司 | A kind of concrete plate beam hinge seam structure |
| CN203977409U (en) * | 2014-08-04 | 2014-12-03 | 伍锡仁 | A kind of prefabricated assembled concrete pile foundation |
| CN104234045B (en) * | 2014-09-01 | 2016-01-06 | 安徽省交通建设有限责任公司 | A kind of vibration sinking tube siccative pours into the construction method of special-shaped bag pile |
| CN204850520U (en) * | 2015-07-08 | 2015-12-09 | 长安大学 | Loam wall body reinforced structure |
| CN105275222B (en) * | 2015-11-24 | 2017-06-30 | 郑州大学 | The raw-soil fills out core pattern traditional residence wall reinforcement structure and reinforcement means |
| CN205777103U (en) * | 2016-05-09 | 2016-12-07 | 天津城建大学 | It is applicable to prefabricated shear connector and the loam wall of loam wall |
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- 2016-05-09 CN CN201610305676.0A patent/CN105822023B/en not_active Expired - Fee Related
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| CN105822023A (en) | 2016-08-03 |
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Granted publication date: 20180417 Termination date: 20190509 |